
Delivers structured data science and coding courses with interactive playgrounds, but focuses heavily on data analytics rather than general software engineering.

30DaysOfAI (100 School AI Challenge) records 26,006 monthly visits with +591.8% month-over-month growth and Freemium pricing. Coddy records 7,478,457 monthly visits with +17.8% growth and Freemium pricing.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | 100school.com | coddy.tech |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 26.01K (26,006) | 7.48M (7,478,457) |
| MoM Traffic Delta |
| +22.25K (+591.8%) |
| +1.13M (+17.8%) |
| Primary Market & Share | 🇬🇧 United Kingdom (79.5%) | 🇺🇸 United States (15.4%) |
|---|
| Direct Visits / mo | 17.97K | 3.13M |
|---|
| User Rating | 3.9 | 4.3 |
|---|
| Supported Platforms | Website | Website |
|---|

A daily email challenge that turns AI curiosity into practical, work-ready habits
A new short lesson lands in your inbox every weekday morning, so progress fits around a working day instead of competing with it.
Think with AI, build with AI and work with AI: a progression from fundamentals to automation to lasting habits, rather than a random tour of tools.
Each lesson asks you to use AI on something from your actual role, so you finish with artefacts and workflows you can keep using.
Structured rollouts bring the same curriculum to a whole organisation with accountability and shared momentum, arranged via a sales conversation.
Learn to code free with hands-on lessons and instant playgrounds
Short, practice-first coding lessons that run directly in your browser, so you can start learning without installing a compiler or development environment.
Dedicated playgrounds for Python, JavaScript, C, C++, Java, SQL, React, Go, Swift and many other languages let you test snippets and experiment immediately after each lesson.
Structured curricula such as Software Engineer, Frontend, Full Stack, Backend, Data Analyst, Data Scientist, DevOps and game development bundle the skills employers actually ask for.
Streak-style daily coding challenges and progress tracking help learners build a consistent habit and stay motivated between longer courses.

Delivers structured data science and coding courses with interactive playgrounds, but focuses heavily on data analytics rather than general software engineering.

AI engineering courses, certificates, and the world's biggest AI newsletter

SpecialistTeaches computer science and logic through visual interactive puzzles and an AI tutor, but lacks traditional text-editor coding playgrounds.

A community library of AI prompts and chatbots you can chat with instantly
SpecialistFocuses on hands-on browser-based Linux and DevOps labs with AI guidance, rather than general multi-language programming fundamentals.

The top AI news and how to apply it, in five minutes a day

Free courses, live events and community for building real AI skills
Free / Open-sourceFree open course for prompt engineering and AI security


SpecialistKhan Academy's AI tutor and teaching assistant for guided, Socratic learning
SpecialistYour personal AI tutor — generate a course on anything in seconds

A free prompt library and AI workflow hub for professionals

Courses and best practices for building AI-powered products end to end
AI engineering courses, certificates, and the world's biggest AI newsletter
A community library of AI prompts and chatbots you can chat with instantly
SpecialistFocuses on hands-on browser-based Linux and DevOps labs with AI guidance, rather than general multi-language programming fundamentals.
Free / Open-sourceFree open course for prompt engineering and AI security
SpecialistKhan Academy's AI tutor and teaching assistant for guided, Socratic learning
SpecialistYour personal AI tutor — generate a course on anything in seconds
A free prompt library and AI workflow hub for professionals
Courses and best practices for building AI-powered products end to end